package book;

/*书架
*
*
* */
public class BookList {

    private Book[] books = new Book[10];
    private int usedSize;//计数器 来记录 当前实际放的书的数目

    public BookList(){
        //构造方法  来初始化成员    当实例化BookList这个对象的时候，就能有三本书
        this.books[0] = new Book("三国演义","罗贯中","10","小说");
        this.books[1] = new Book("西游记","吴承恩","23","小说");
        this.books[2] = new Book("红楼梦","曹雪芹","8","小说");
        this.usedSize = 3;
    }

    public Book getBook(int pos){
        return books[pos];//返回pos位置的书
    }

    public void setBooks(int pos,Book book){
        books[pos] = book;//在pos位置放一本书
    }

    public int getUsedSize() {
        return usedSize;
    }

    public void setUsedSize(int usedSize) {
        this.usedSize = usedSize;
    }
}
